Home / 13,362,559.20-20,043,838.80-9,961,336.80

Finding the Fourth Proportional to 13,362,559.20, 20,043,838.80 and 9,961,336.80

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Solution

The fourth proportional to 13,362,559.20, 20,043,838.80 and 9,961,336.80 is: 14,942,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,559.20 : 20,043,838.80 = 9,961,336.80 : x
  2. Step 2: Convert to fraction form
    13,362,559.20/20,043,838.80 = 9,961,336.80/x
  3. Step 3: Cross multiply
    13,362,559.20x = 20,043,838.80 × 9,961,336.80
  4. Step 4: Simplify right side
    13,362,559.20x = 199,663,429,051,707.88
  5. Step 5: Solve for x
    x = 199,663,429,051,707.88/13,362,559.20
  6. Step 6: Final answer
    x = 14,942,005.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.